Abstract: A method for determining a quantity representative of the thermal resistance of a dividing wall between a first environment and a second environment, including, over at least two successive time periods Dk corresponding to distinct heating powers Pk of the first environment, measuring the heat flow rate through the wall qk and the temperature in the first environment T1k and determining the temperature in the second environment T2k, at closely spaced time intervals; the quantity representative of the thermal resistance of the wall being determined by bringing into convergence: a thermal model expressing the temporal variation of a temperature in one environment divided off from another environment by a wall, as a function of the heat flow rats: through the wall, the temperature in the other environment, and physical parameters of the wall; and the measured evolution T1k(t) of the temperature in the first environment over time.

Abstract: A method for determining a heat loss coefficient of a premises includes undertaking application of first and second heating powers, respectively, in the premises over two successive time periods, selecting for each of the first and second time periods, a time interval for which the evolution is substantially linear, determining the slope of the tangent to the curve (Tik(t))k=1 or 2 over each time interval; and deducing the value of the heat loss coefficient of the premises on the basis of the slopes.

Abstract: This method, which is aimed at determining a quantity representative of the thermal resistance of a dividing wall between a first environment and a second environment, comprises steps in which over at least two successive time periods Dk corresponding to distinct heating powers Pk of the first environment, there is undertaken a campaign of measurements of the heat flow rate through the wall qk and of the temperature in the first environment T1k at closely spaced time intervals, as well as the determination of the temperature in the second environment T2k at closely spaced time intervals; the value of the quantity representative of the thermal resistance of the wall is determined by bringing into convergence: on the one hand, a thermal model expressing the temporal variation of the temperature in one environment divided off from another environment by a wall, as a function of the heat flow rate through the wall, of the temperature in the other environment and of physical parameters of the wall, on the basis of

Abstract: A method for determining a heat loss coefficient of a premises includes undertaking application of first and second heating powers, respectively, in the premises over two successive time periods, selecting for each of the first and second time periods, a time interval for which the evolution is substantially linear, determining the slope of the tangent to the curve (Tik(t))k=1 or 2 over each time interval; and deducing the value of the heat loss coefficient of the premises on the basis of the slopes.

Abstract: A method determining heat loss coefficient K of a premises, includes: in unoccupied premises, performing a campaign of measurements of at least one temperature inside the premises Tik at closely-spaced time intervals over at least two successive time periods Dk corresponding to distinct heating powers Ptotk of the premises; determining temperature of outside air Tek at the same closely-spaced times; for each time period Dk, on the basis of evolution Tik(t) of a quantity Tik as a function of time, selecting a time interval ?tk for which the evolution Tik(t) is substantially linear, then determining the slope ?k of the tangent to the evolution Tik(t) over this time interval ?tk, and deducing the value of the heat loss coefficient K of the premises on the basis of the slopes ?k.

Abstract: A method determining heat loss coefficient K of a premises, includes: in unoccupied premises, performing a campaign of measurements of at least one temperature inside the premises Ttk at closely-spaced time intervals over at least two successive time periods Dk corresponding to distinct heating powers Ptotk of the premises; determining temperature of outside air Tek at the same closely-spaced times; for each time period Dk, on the basis of evolution Tik(t) of a quantity Tik as a function of time, selecting a time interval ?tk for which the evolution Tik(t) is substantially linear, then determining the slope ?k of the tangent to the evolution Tik(t) over this time interval ?tk, and deducing the value of the heat loss coefficient K of the premises on the basis of the slopes ?k.